<template>
  <div class="App">
    <h1 class="content">我是App</h1> 
    <Count></Count>
    </div>

</template>

<script>
import Count from "@/components/Count"
export default {
name:"App",
components:{
  Count
}
}
</script>

<style scoped>
.App{
  border:5px solid #226
}
.content{
  background:pink
}
.App >>> .count{
  background:yellowgreen
}
</style>